CN107255114A - Prevent the bolt and nut component loosened - Google Patents
Prevent the bolt and nut component loosened Download PDFInfo
- Publication number
- CN107255114A CN107255114A CN201710545197.0A CN201710545197A CN107255114A CN 107255114 A CN107255114 A CN 107255114A CN 201710545197 A CN201710545197 A CN 201710545197A CN 107255114 A CN107255114 A CN 107255114A
- Authority
- CN
- China
- Prior art keywords
- parts
- bolt
- nut
- lock groove
- taper lock
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 28
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 28
- 239000004615 ingredient Substances 0.000 claims description 20
- 229910052751 metal Inorganic materials 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 20
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 14
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 14
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 14
- 239000004411 aluminium Substances 0.000 claims description 14
- 229910052782 aluminium Inorganic materials 0.000 claims description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 14
- 229910052799 carbon Inorganic materials 0.000 claims description 14
- 229910052804 chromium Inorganic materials 0.000 claims description 14
- 239000011651 chromium Substances 0.000 claims description 14
- 229910052742 iron Inorganic materials 0.000 claims description 14
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 14
- 229910052750 molybdenum Inorganic materials 0.000 claims description 14
- 239000011733 molybdenum Substances 0.000 claims description 14
- 229910052759 nickel Inorganic materials 0.000 claims description 14
- 229910052710 silicon Inorganic materials 0.000 claims description 14
- 239000010703 silicon Substances 0.000 claims description 14
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 14
- 229910052721 tungsten Inorganic materials 0.000 claims description 14
- 239000010937 tungsten Substances 0.000 claims description 14
- 229910052720 vanadium Inorganic materials 0.000 claims description 14
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 14
- 125000003003 spiro group Chemical group 0.000 claims description 4
- 230000007812 deficiency Effects 0.000 abstract description 5
- 230000008018 melting Effects 0.000 description 12
- 238000002844 melting Methods 0.000 description 12
- 238000005457 optimization Methods 0.000 description 7
- 238000003723 Smelting Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 239000002994 raw material Substances 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
- F16B39/282—Locking by means of special shape of work-engaging surfaces, e.g. notched or toothed nuts
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The present invention discloses a kind of bolt and nut component for preventing from loosening, including bolt, nut and locking screw nail, nut thread is connected on bolt, the inside screw of bolt is formed with taper lock groove, the axis of taper lock groove is overlapped with the axis of bolt, the division mouthful for extending along taper locking groove depth direction and the end of screw rod being divided into two is offered on screw rod, screw rod distal end faces of the opening of taper lock groove positioned at bolt, the inwall of taper lock groove is formed with screw thread, locking screw nail is threaded in inside taper lock groove, the nut that being threaded in the nail of the locking screw inside taper lock groove makes the screw rod end of bolt expand and prevent from being threaded on bolt comes off；It is of the invention effectively to prevent nut from being occurred to loosen by outside vibrations or impact to be come off from the screw rod of bolt, improve the threaded connection stability and security of bolts and nuts, avoid occurring surprisingly causing security incident, solve the deficiency of the bolt and nut technology of existing easy loose or dislocation.
Description
Technical field
The present invention relates to a kind of bolt and nut component, more particularly to a kind of bolt and nut component for preventing from loosening, belong to spiral shell
Bolt technical field.
Background technology
Bolt is a kind of machine components, is the cylindrical threaded fastener of adapted nut, by head and screw rod two
The class fastener being grouped, screw rod is to carry externally threaded cylinder, need to coordinate with nut, be carried for being fastenedly connected two
The part of through hole, this type of attachment claims bolt connection, and such as nut is screwed off from bolt, and the two parts point can be made again
Open, therefore bolt connection is to belong to be detachably connected；At present, the fastener of screw bolt and nut composition is widely used in science and technology, life
In numerous occasions and the plant equipment such as production, processing and experiment and instrument and meter, common bolt and nut component is all straight by nut
Connect and be threadedly coupled on bolt, gradually loosened by outside vibrations or impact bolt and nut component as time goes by, easily
Security incident is caused, the property and personal life security to country cause serious threat, in order to prevent unexpected generation, it is necessary to solve
The deficiency of the bolt and nut technology of existing easy loose or dislocation.
The content of the invention
To solve the deficiencies in the prior art, the present invention provides a kind of bolt and nut component for preventing from loosening, effectively prevents spiral shell
Mother is occurred to loosen by outside vibrations or impact to come off from the screw rod of bolt, and the threaded connection for improving bolts and nuts is steady
Qualitative and security, it is to avoid occur surprisingly to cause security incident, solve the bolt and nut technology of existing easy loose or dislocation not
Foot.
The technical solution adopted in the present invention is：
The bolt and nut component loosened, including bolt, nut and locking screw nail are prevented, described nut thread is connected to spiral shell
On bolt, the inside screw of the bolt is formed with taper lock groove, and the axis of the taper lock groove is overlapped with the axis of bolt,
The division mouthful for extending along taper locking groove depth direction and the end of screw rod being divided into two, the cone are offered on the screw rod
The opening of shape lock groove is located at the screw rod distal end faces of bolt, and the inwall of the taper lock groove is formed with screw thread, the locking
Screw is threaded in inside the taper lock groove, and being threaded in the nail of the locking screw inside the taper lock groove makes
The nut that the screw rod end of bolt expands and prevents from being threaded on bolt comes off.
As present invention further optimization, described bolt is made up of the metal ingredient of following parts by weight:
32.3~35.5 parts of manganese, 3.4~5.8 parts of carbon, 5.6~7.8 parts of iron, 1.0~3.2 parts of chromium, 2.2~3.9 parts of silicon, aluminium 2.3
~4.4 parts, 3.7~5.0 parts of tungsten, 1.1~2.3 parts of molybdenum, 1.7~2.4 parts of nickel, 1.0~2.1 parts of vanadium.
As present invention further optimization, described bolt is made up of the metal ingredient of following parts by weight:
34.3 parts of manganese, 4.9 parts of carbon, 6.8 parts of iron, 1.9 parts of chromium, 2.9 parts of silicon, 3.2 parts of aluminium, 4.6 parts of tungsten, 1.8 parts of molybdenum, 1.9 parts of nickel,
2.0 parts of vanadium.
As present invention further optimization, described nut and locking screw nail by following parts by weight metal ingredient system
Into:
2.5~3.3 parts of carbon, 3.6~5.9 parts of manganese, 15.8~20.3 parts of chromium, 1.5~2.6 parts of nickel, 1.9~2.4 parts of silicon, molybdenum 1.5
~3.0 parts, 1.4~2.4 parts of tungsten, 1.2~2.8 parts of vanadium, 1.8~2.2 parts of aluminium, 5.8~7.6 parts of iron.
As present invention further optimization, described nut and locking screw nail by following parts by weight metal ingredient system
Into:
2.8 parts of carbon, 4.7 parts of manganese, 18.9 parts of chromium, 2.0 parts of nickel, 2.2 parts of silicon, 2.5 parts of molybdenum, 1.9 parts of tungsten, 2.1 parts of vanadium, 1.9 parts of aluminium,
6.8 parts of iron.
As present invention further optimization, the diameter of described locking screw nail is more than the inside diameter of taper lock groove
1mm, it is to avoid locking screw nail causes screw rod to be broken or expand too small and losing prevents by the screw rod end expansion of bolt is excessive
The effect that nut comes off.
As present invention further optimization, the depth of described taper lock groove is less than or equal to the spiro rod length of bolt
1/2nd, it is ensured that the overall structure and mechanical performance of bolt.
As present invention further optimization, the length of described division mouth is less than or equal to the depth of taper lock groove.
The beneficial effects of the present invention are：By the inside screw formation taper lock groove in bolt, cone is threaded in
Locking screw nail inside shape lock groove makes the screw rod end of bolt expand and prevent from being threaded in the nut on bolt
Come off, effectively prevent nut from being occurred to loosen by outside vibrations or impact to be come off from the screw rod of bolt, improve bolt with
The threaded connection stability and security of nut, it is to avoid occur surprisingly to cause security incident, solve existing easy loose or dislocation
The deficiency of bolt and nut technology.
Brief description of the drawings：
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the screw rod distal end faces view of bolt of the present invention；
Main Reference Numerals implication is as follows in figure：
1- bolts, 2- nuts, 3- locking screws nail, 4- taper lock grooves, 5- division mouths.
Embodiment：
Specific introduction is done to the present invention with reference to the accompanying drawings and examples.
Embodiment one
As illustrated in fig. 1 and 2：The present embodiment is a kind of bolt and nut component for preventing from loosening, including bolt 1, nut 2 and locking
Screw 3, nut 2 is threaded on bolt 1, and the inside screw of bolt 1 is formed with taper lock groove 4, taper lock groove 4
Axis is overlapped with the axis of bolt 1, is offered and is extended along the depth direction of taper lock groove 4 and by one point of the end of screw rod on screw rod
For two division mouthful 5, the opening of taper lock groove 4 is located at the screw rod distal end faces of bolt 1, and the inwall of taper lock groove 4 is formed
There is screw thread, locking screw nail 3 is threaded in inside taper lock groove 4, is threaded in the locking spiral shell inside taper lock groove 4
Adjusting screw 3 makes the screw rod end of bolt 1 expand and prevent the nut 2 being threaded on bolt 1 to come off；In the present embodiment,
The diameter of locking screw nail 3 is more than the inside diameter 1mm of taper lock groove 4, it is to avoid locking screw nail 3 is by the screw rod of bolt 1
End expansion is excessive to cause screw rod to be broken or expand too small and lose the effect for preventing that nut 2 from coming off；Moreover, being bored in the present embodiment
The depth of shape lock groove 4 is equal to 1/2nd of the spiro rod length of bolt 1, it is ensured that the overall structure and mechanicalness of bolt 1
Can, in practical application, the depth of taper lock groove 4 can also be set less than 1/2nd of the spiro rod length of bolt 1；Together
When, the length of division mouth 5 is equal to the depth of taper lock groove 4 in the present embodiment, in practical application, division mouth can also be set
5 length is less than the depth of taper lock groove 4.
Bolt 1 in the present embodiment is made up of the metal ingredient of following parts by weight:
32.3 parts of manganese, 3.4 parts of carbon, 5.6 parts of iron, 1.0 parts of chromium, 2.2 parts of silicon, 2.3 parts of aluminium, 3.7 parts of tungsten, 1.1 parts of molybdenum, 1.7 parts of nickel,
1.0 parts of vanadium；Above-mentioned metal ingredient raw material are sequentially added into smelting furnace progress heating melting by weight, then will be obtained
Bolt 1 is made into bolt mold die for melting liquid castable.
Nut 2 and locking screw nail 3 in the present embodiment are made up of the metal ingredient of following parts by weight:
2.5 parts of carbon, 3.6 parts of manganese, 15.8 parts of chromium, 1.5 parts of nickel, 1.9 parts of silicon, 1.5 parts of molybdenum, 1.4 parts of tungsten, 1.2 parts of vanadium, 1.8 parts of aluminium,
5.8 parts of iron；Above-mentioned metal ingredient raw material are sequentially added into smelting furnace progress heating melting by weight, then will be obtained
Nut 2 or locking screw nail 3 is made into nut or locking screw nail mold die in melting liquid castable.
Embodiment two
The present embodiment is similar to embodiment one, and it is differed only in：
Bolt 1 in the present embodiment is made up of the metal ingredient of following parts by weight:
35.5 parts of manganese, 5.8 parts of carbon, 7.8 parts of iron, 3.2 parts of chromium, 3.9 parts of silicon, 4.4 parts of aluminium, 5.0 parts of tungsten, 2.3 parts of molybdenum, 2.4 parts of nickel,
2.1 parts of vanadium；Above-mentioned metal ingredient raw material are sequentially added into smelting furnace progress heating melting by weight, then will be obtained
Bolt 1 is made into bolt mold die for melting liquid castable.
Nut 2 and locking screw nail 3 in the present embodiment are made up of the metal ingredient of following parts by weight:
3.3 parts of carbon, 5.9 parts of manganese, 20.3 parts of chromium, 2.6 parts of nickel, 2.4 parts of silicon, 3.0 parts of molybdenum, 2.4 parts of tungsten, 2.8 parts of vanadium, 2.2 parts of aluminium,
7.6 parts of iron；Above-mentioned metal ingredient raw material are sequentially added into smelting furnace progress heating melting by weight, then will be obtained
Nut 2 or locking screw nail 3 is made into nut or locking screw nail mold die in melting liquid castable.
Embodiment three
The present embodiment is similar to embodiment one, and it is differed only in：
Bolt 1 in the present embodiment is made up of the metal ingredient of following parts by weight:
34.3 parts of manganese, 4.9 parts of carbon, 6.8 parts of iron, 1.9 parts of chromium, 2.9 parts of silicon, 3.2 parts of aluminium, 4.6 parts of tungsten, 1.8 parts of molybdenum, 1.9 parts of nickel,
2.0 parts of vanadium；Above-mentioned metal ingredient raw material are sequentially added into smelting furnace progress heating melting by weight, then will be obtained
Bolt 1 is made into bolt mold die for melting liquid castable.
Nut 2 and locking screw nail 3 in the present embodiment are made up of the metal ingredient of following parts by weight:
2.8 parts of carbon, 4.7 parts of manganese, 18.9 parts of chromium, 2.0 parts of nickel, 2.2 parts of silicon, 2.5 parts of molybdenum, 1.9 parts of tungsten, 2.1 parts of vanadium, 1.9 parts of aluminium,
6.8 parts of iron；Above-mentioned metal ingredient raw material are sequentially added into smelting furnace progress heating melting by weight, then will be obtained
Nut 2 or locking screw nail 3 is made into nut or locking screw nail mold die in melting liquid castable.
By detection, the properties such as following table of bolt, nut and locking screw nail obtained by embodiment one to three
It is shown：
The present invention is threaded in the locking spiral shell inside taper lock groove by the inside screw formation taper lock groove in bolt
The nut that adjusting screw makes the screw rod end of bolt expand and prevent from being threaded on bolt comes off, and effectively prevents nut by outer
The vibrations or impact in portion and occur to loosen and come off from the screw rod of bolt, improve the threaded connection stability of bolts and nuts with
Security, it is to avoid occur surprisingly to cause security incident, solve the deficiency of the bolt and nut technology of existing easy loose or dislocation.
Described above is only the preferred embodiment of patent of the present invention, it is noted that for the common skill of the art
For art personnel, on the premise of patent principle of the present invention is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection domain of patent of the present invention.
Claims (8)
1. prevent the bolt and nut component loosened, it is characterised in that：Including bolt, nut and locking screw nail, described spiral shell
Box thread is connected on bolt, and the inside screw of the bolt is formed with taper lock groove, the axis of the taper lock groove with
The axis of bolt is overlapped, and is offered on the screw rod and is extended along taper locking groove depth direction and the end of screw rod is divided into two
Division mouthful, the opening of the taper lock groove is positioned at the screw rod distal end faces of bolt, and the inwall of the taper lock groove formed
There is screw thread, the locking screw nail is threaded in inside the taper lock groove, is threaded in the taper lock groove
The nut that the locking screw nail in portion makes the screw rod end of bolt expand and prevent from being threaded on bolt comes off.
2. the bolt and nut component according to claim 1 for preventing from loosening, it is characterised in that described bolt is by following heavy
The metal ingredient of amount part is made:
32.3~35.5 parts of manganese, 3.4~5.8 parts of carbon, 5.6~7.8 parts of iron, 1.0~3.2 parts of chromium, 2.2~3.9 parts of silicon, aluminium 2.3
~4.4 parts, 3.7~5.0 parts of tungsten, 1.1~2.3 parts of molybdenum, 1.7~2.4 parts of nickel, 1.0~2.1 parts of vanadium.
3. the bolt and nut component according to claim 2 for preventing from loosening, it is characterised in that described bolt is by following heavy
The metal ingredient of amount part is made:
34.3 parts of manganese, 4.9 parts of carbon, 6.8 parts of iron, 1.9 parts of chromium, 2.9 parts of silicon, 3.2 parts of aluminium, 4.6 parts of tungsten, 1.8 parts of molybdenum, 1.9 parts of nickel,
2.0 parts of vanadium.
4. the bolt and nut component according to claim 1 for preventing from loosening, it is characterised in that described nut and locking spiral shell
Adjusting screw is made up of the metal ingredient of following parts by weight:
2.5~3.3 parts of carbon, 3.6~5.9 parts of manganese, 15.8~20.3 parts of chromium, 1.5~2.6 parts of nickel, 1.9~2.4 parts of silicon, molybdenum 1.5
~3.0 parts, 1.4~2.4 parts of tungsten, 1.2~2.8 parts of vanadium, 1.8~2.2 parts of aluminium, 5.8~7.6 parts of iron.
5. the bolt and nut component according to claim 4 for preventing from loosening, it is characterised in that described nut and locking spiral shell
Adjusting screw is made up of the metal ingredient of following parts by weight:
2.8 parts of carbon, 4.7 parts of manganese, 18.9 parts of chromium, 2.0 parts of nickel, 2.2 parts of silicon, 2.5 parts of molybdenum, 1.9 parts of tungsten, 2.1 parts of vanadium, 1.9 parts of aluminium,
6.8 parts of iron.
6. the bolt and nut component according to claim 1 for preventing from loosening, it is characterised in that described locking screw nail
Diameter is more than the inside diameter 1mm of taper lock groove.
7. the bolt and nut component according to claim 1 for preventing from loosening, it is characterised in that described taper lock groove
Depth is less than or equal to 1/2nd of the spiro rod length of bolt.
8. the bolt and nut component according to claim 1 for preventing from loosening, it is characterised in that the length of described division mouth
Less than or equal to the depth of taper lock groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710545197.0A CN107255114A (en) | 2017-07-06 | 2017-07-06 | Prevent the bolt and nut component loosened |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710545197.0A CN107255114A (en) | 2017-07-06 | 2017-07-06 | Prevent the bolt and nut component loosened |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107255114A true CN107255114A (en) | 2017-10-17 |
Family
ID=60025604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710545197.0A Pending CN107255114A (en) | 2017-07-06 | 2017-07-06 | Prevent the bolt and nut component loosened |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107255114A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107933890A (en) * | 2017-11-08 | 2018-04-20 | 镇江市丹徒区顺发船舶螺旋桨有限公司 | A kind of propeller of later maintenance |
| CN109737126A (en) * | 2018-11-12 | 2019-05-10 | 陈红印 | Superpower anti-slip bolt |
| WO2019153926A1 (en) * | 2018-02-12 | 2019-08-15 | 林平 | Anti-loosening and anti-disengagement bolt and nut assembly and anti-loosening and disengagement bolt and anti-loosening and disengagement nut thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1068857A (en) * | 1991-10-10 | 1993-02-10 | 株洲市机械工业研究所 | The multicomponent alloy malleablized high-Mn steel |
| CN2432378Y (en) * | 2000-03-19 | 2001-05-30 | 李晓军 | Loosing-proof maintenance-free fixed bolt |
| CN2599304Y (en) * | 2003-01-24 | 2004-01-14 | 张振坤 | Anti-loosing fastening structure for expanding mouth bolt |
| CN106636973A (en) * | 2016-10-14 | 2017-05-10 | 宁波市鄞州煜隆工具有限公司 | Tool steel material for blade and preparing method of tool steel material |
| JP3210797U (en) * | 2016-04-25 | 2017-06-08 | 李奇 | Bolt anchor |
-
2017
- 2017-07-06 CN CN201710545197.0A patent/CN107255114A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1068857A (en) * | 1991-10-10 | 1993-02-10 | 株洲市机械工业研究所 | The multicomponent alloy malleablized high-Mn steel |
| CN2432378Y (en) * | 2000-03-19 | 2001-05-30 | 李晓军 | Loosing-proof maintenance-free fixed bolt |
| CN2599304Y (en) * | 2003-01-24 | 2004-01-14 | 张振坤 | Anti-loosing fastening structure for expanding mouth bolt |
| JP3210797U (en) * | 2016-04-25 | 2017-06-08 | 李奇 | Bolt anchor |
| CN106636973A (en) * | 2016-10-14 | 2017-05-10 | 宁波市鄞州煜隆工具有限公司 | Tool steel material for blade and preparing method of tool steel material |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107933890A (en) * | 2017-11-08 | 2018-04-20 | 镇江市丹徒区顺发船舶螺旋桨有限公司 | A kind of propeller of later maintenance |
| WO2019153926A1 (en) * | 2018-02-12 | 2019-08-15 | 林平 | Anti-loosening and anti-disengagement bolt and nut assembly and anti-loosening and disengagement bolt and anti-loosening and disengagement nut thereof |
| CN109737126A (en) * | 2018-11-12 | 2019-05-10 | 陈红印 | Superpower anti-slip bolt |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107255114A (en) | Prevent the bolt and nut component loosened | |
| CN206918008U (en) | A kind of check bolt | |
| CN204512120U (en) | Connect bearing pin | |
| CN203500245U (en) | Self-locking nut for bearing location | |
| CN108386440A (en) | Locking Anti-off bolt nut assembly | |
| CN208057662U (en) | Locking Anti-off bolt nut assembly | |
| CN206487748U (en) | Secondary locking nut | |
| CN207609667U (en) | A kind of bolt | |
| CN206830615U (en) | A kind of stop nut based on circular cone EDS maps screw thread | |
| CN208686778U (en) | Combined locking bolt | |
| WO2023050604A1 (en) | Detachable anti-disassembly nut assembly | |
| CN203516593U (en) | Integrated safety-type adjustment bolt | |
| CN105485139A (en) | Bolt with self-locking function | |
| CN206754102U (en) | A kind of new type nut | |
| CN207961225U (en) | Liquid stop nut | |
| CN108374828A (en) | Anti-loosening nut | |
| CN209083772U (en) | A kind of bolt | |
| CN209370251U (en) | A kind of adjusting nut, bolt assemblies | |
| CN206449079U (en) | A kind of footing and equipment | |
| CN207864351U (en) | A kind of self-taped type double thread nut | |
| CN207621159U (en) | A kind of steady nut | |
| CN206368886U (en) | A kind of internal-external hexagon hexagonal socket head cap screw | |
| CN201904924U (en) | Split graphite heater | |
| CN216343318U (en) | Strong locking precision locknut | |
| CN207872258U (en) | A kind of wear-resisting ultra-high manganese steel rolled mortar wall |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171017 |
|
| RJ01 | Rejection of invention patent application after publication |